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1999年5～7月份我们对招远市农村生活饮用水3种类型的水源,120个采样点进行了卫生学调查与水质分析,所得3240个分析数据,对该市今后改水、改厕、防治有关疾病提供了科学依据,结果报告如下。 方法(1)调查点选择:3种不同类型的水源共120个采样点,其中自来水54份,手压井水60份,大口井水6份。(2)分析方法:依照现行GB5750—85、GB5749—85完成现场卫生学调查、采样、实验室检测、结果评价全套分析。耗氧量评价
From May to July 1999, we conducted hygiene survey and water quality analysis on 3 types of drinking water sources and 120 samples in rural areas in Zhaoyuan City, and obtained 3240 analytical data. In the future, we changed water, lavatories, Provide a scientific basis for the prevention and treatment of diseases, the results are reported as follows. Methods (1) Survey point selection: A total of 120 sampling points of 3 different types of water sources, including 54 tap water, 60 hand-held well water and 6 large well water. (2) Analysis method: According to the current GB5750-85, GB5749-85 to complete on-site health survey, sampling, laboratory testing, the results of a full set of analysis. Oxygen consumption evaluation